1 6154cf32 2019-03-12 mischa #!/bin/sh
 2 6154cf32 2019-03-12 mischa #
 3 6154cf32 2019-03-12 mischa # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 4 6154cf32 2019-03-12 mischa # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 5 6154cf32 2019-03-12 mischa # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 6 6154cf32 2019-03-12 mischa # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 7 6154cf32 2019-03-12 mischa # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 8 6154cf32 2019-03-12 mischa # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 9 6154cf32 2019-03-12 mischa # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
10 6154cf32 2019-03-12 mischa # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
11 6154cf32 2019-03-12 mischa # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
12 6154cf32 2019-03-12 mischa # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
13 6154cf32 2019-03-12 mischa # SUCH DAMAGE.
14 6154cf32 2019-03-12 mischa #
15 6154cf32 2019-03-12 mischa test -n "$1" || exit 1
16 6154cf32 2019-03-12 mischa HOST="$1"
17 6154cf32 2019-03-12 mischa COMMUNITY="public"
18 6154cf32 2019-03-12 mischa RRDFILES="/var/rrdtool"
19 6154cf32 2019-03-12 mischa IMAGES="/var/www/htdocs"
20 6154cf32 2019-03-12 mischa RRDTOOL="/usr/local/bin/rrdtool"
21 6154cf32 2019-03-12 mischa CPUINFO="/tmp/${HOST}-cpu.txt"
22 6154cf32 2019-03-12 mischa UPTIME=$(cat /tmp/${HOST}-uptime.txt)
23 6154cf32 2019-03-12 mischa NOW=$(date "+%Y-%m-%d %H:%M:%S %Z" | sed 's/:/\\:/g')
24 6154cf32 2019-03-12 mischa 
25 6154cf32 2019-03-12 mischa if ! test -f "${RRDFILES}/${HOST}-cpu.rrd"
26 6154cf32 2019-03-12 mischa then
27 6154cf32 2019-03-12 mischa echo "Creating ${RRDFILES}/${HOST}-cpu.rrd"
28 6154cf32 2019-03-12 mischa ${RRDTOOL} create ${RRDFILES}/${HOST}-cpu.rrd \
29 6154cf32 2019-03-12 mischa 	--step 300 \
30 6154cf32 2019-03-12 mischa 	DS:ds0:GAUGE:600:U:U \
31 6154cf32 2019-03-12 mischa 	RRA:MAX:0.5:1:20000
32 6154cf32 2019-03-12 mischa fi
33 6154cf32 2019-03-12 mischa 
34 6154cf32 2019-03-12 mischa snmpctl snmp walk ${HOST} community ${COMMUNITY} oid hrProcessorLoad | cut -d= -f2 > ${CPUINFO}
35 6154cf32 2019-03-12 mischa CORES=$(grep -cv "^0$" ${CPUINFO})
36 6154cf32 2019-03-12 mischa CPU_LOAD_SUM=$(awk '{sum += $1} END {print sum}' ${CPUINFO})
37 6154cf32 2019-03-12 mischa CPU_LOAD=$(echo "scale=2; ${CPU_LOAD_SUM}/${CORES}" | bc -l)
38 6154cf32 2019-03-12 mischa 
39 6154cf32 2019-03-12 mischa ${RRDTOOL} update ${RRDFILES}/${HOST}-cpu.rrd N:${CPU_LOAD}
40 6154cf32 2019-03-12 mischa 
41 6154cf32 2019-03-12 mischa ${RRDTOOL} graph ${IMAGES}/${HOST}-cpu.png \
42 6154cf32 2019-03-12 mischa 	--start -43200 \
43 6154cf32 2019-03-12 mischa 	--title "${HOST} - CPU" \
44 6154cf32 2019-03-12 mischa 	--vertical-label "% CPU Used" \
45 6154cf32 2019-03-12 mischa 	--watermark "OpenBSD Amsterdam - https://obsda.ms" \
46 6154cf32 2019-03-12 mischa 	DEF:CPU=${RRDFILES}/${HOST}-cpu.rrd:ds0:AVERAGE \
47 6154cf32 2019-03-12 mischa 	AREA:CPU#FFCC00 \
48 6154cf32 2019-03-12 mischa 	LINE2:CPU#CC0033:"CPU" \
49 6154cf32 2019-03-12 mischa 	GPRINT:CPU:MAX:"Max\:%2.2lf %s" \
50 6154cf32 2019-03-12 mischa 	GPRINT:CPU:AVERAGE:"Average\:%2.2lf %s" \
51 6154cf32 2019-03-12 mischa 	GPRINT:CPU:LAST:" Current\:%2.2lf %s\n" \
52 6154cf32 2019-03-12 mischa 	COMMENT:"\\n" \
53 6154cf32 2019-03-12 mischa 	COMMENT:"  SUM CPU Load / Active Cores = % CPU Used\n" \
54 6154cf32 2019-03-12 mischa 	COMMENT:"  Up for ${UPTIME} at ${NOW}"